<template>
  <div v-show='showFlag' class='food' transition='move' v-el:food>
    <div class='food-content'>
      <div class='image-header'>
        <img :src="selectedFood.image">
        <div class='back' @click='hide'>
          <i class='iconfont back-icon'>&#xe601;</i>
        </div>
      </div>
      <div class='content'>
        <h1 class='title'>{{selectedFood.name}}</h1>
        <div class='detail'>
          <span class='sell-count'>月售{{selectedFood.sellCount}}份</span>
          <span class='rating'>好评率{{selectedFood.rating}}%</span>
        </div>
        <div class='price'>
          <span class='now'>￥{{selectedFood.price}}</span><span class='old' v-show='selectedFood.oldPrice'>￥{{selectedFood.oldPrice}}</span>
        </div>
        <div class='cartcontrol-wrapper'>
          <cartcontrol :food='selectedFood'></cartcontrol>
        </div>
        <div
          class='buy'
          v-show='!selectedFood.count || selectedFood.count===0'
          @click='addFirst'
        >
          加入购物车
        </div>
      </div>
    <split v-show='selectedFood.info'></split>
    <div class='info' v-show='selectedFood.info'>
      <h1 class='title'>商品信息</h1>
      <p class='text'>{{selectedFood.info}}</p> 
    </div>
    <split></split>
    <div class='rating'>
      <h1 class='title'>商品评价</h1>
      <ratingselect
        :select-type='selectType'
        :only-content='onlyContent'
        :desc='desc'
        :ratings='selectedFood.ratings'
        @ratingtypeSelect='select'
        @contentToggle='toggle'
      ></ratingselect>
      <div class='rating-wrapper'>
        <ul v-show='selectedFood.ratings && selectedFood.ratings.length'>
          <li
            v-show='needShow(rating.rateType, rating.text)'
            v-for='rating in selectedFood.ratings'
            class='rating-item border-1px'
          >
            <div class='user'>
              <span class='name'>{{rating.username}}</span>
              <img class='avatar' width='12' height='12' :src="rating.avatar">
            </div>
            <div class='time'>{{rating.rateTime | formatDate}}</div>
            <p class='text'>
              <span
                class='iconfont'
                :class=iconObject[rating.rateType]
                v-html='iconArray[rating.rateType]'
              ></span>
              {{rating.text}}
            </p> 
          </li>
        </ul>
        <div class='no-rating' v-show='!selectedFood.ratings || !selectedFood.ratings.length'>暂无评价</div>
      </div>
    </div>
    </div>
  </div>
</template> 

<script>
import BScroll from 'better-scroll'
import Vue from 'vue'
import cartcontrol from 'components/cartcontrol/cartcontrol'
import {formatDate} from 'common/js/date'
import split from 'components/split/split'
import ratingselect from 'components/ratingselect/ratingselect'

const ALL = 2

export default {
  name: 'food',
  props: {
    selectedFood: {
      type: Object
    }
  },
  data () {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: false,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽'
      },
      iconArray: ['&#xe607;', '&#xe606;'],
      iconObject: ['thumb_up', 'thumb_down']
    }
  },
  watch: {
    showFlag () {
      if (this.showFlag) {
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$els.food, {
              click: true
            })
          } else {
            this.scroll.refresh()
          }
        })
      }
    }
  },
  methods: {
    hide () {
      this.showFlag = false
    },
    addFirst (event) {
      if (!event._constructed) {
        return
      }
      Vue.set(this.selectedFood, 'count', 1)
    },
    needShow (type, text) {
      if (this.onlyContent && !text) {
        return false
      }
      if (this.selectType === ALL) {
        return true
      } else {
        return type === this.selectType
      }
    },
    select (type) {
      this.selectType = type
    },
    toggle (onlyContent) {
      this.onlyContent = onlyContent
    }
  },
  filters: {
    formatDate (time) {
      let date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm')
    }
  },
  components: {
    cartcontrol,
    split,
    ratingselect
  }
}
</script>

<style lang='stylus' scoped>
   @import '../../common/stylus/mixin'
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30
    width: 100%
    background: #fff
    overflow: hidden
    &.move-transition 
      transform: translate3d(0,0,0)
      transition: all 0.2s linear
    &.move-enter, &.move-leave
      transform: translate3d(100%,0,0)
    .image-header
      position: relative
      width: 100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
        width: 100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .back-icon
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        font-size: 14px
        color: rgb(7,17,27)
        font-weight: 700
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count,.rating
          font-size: 10px
          color: rgb(147,153,159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          font-size: 14px
          color: rgb(240,20,20)
          margin-right: 8px
        .old
          font-size: 10px
          color: rgb(147,153,159)
          text-decoration: line-through
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        font-size: 10px
        border-radius: 12px
        color: #fff
        background: rgb(0,160,220)
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        color: rgb(7,17,27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        font-weight: 200
        color: rgb(77,85,93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7,17,27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7,17,27,0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            font-size: 0
            line-height: 12px
            .name
              display: inline-block
              font-size: 10px
              vertical-align: top
              color: rgb(147,153,159)
              margin-right: 6px
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147,153,159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7,17,27)
            .thumb_up, .thumb_down
              margin-right: 4px
              line-height: 16px
              font-size: 12px
            .thumb_up
              color: rgb(0,160,220)
            .thumb_down
              color: rgb(147,153,159) 
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147,153,159) 
</style>